[INFO] fetching crate zero 0.1.2...
[INFO] testing zero-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate zero 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate zero 0.1.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zero 0.1.2
[INFO] finished tweaking crates.io crate zero 0.1.2
[INFO] tweaked toml for crates.io crate zero 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e395bf46c0f16ae9c69de1956e5ec05e979bac38d2e36f7fe58408c0da173cf4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e395bf46c0f16ae9c69de1956e5ec05e979bac38d2e36f7fe58408c0da173cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e395bf46c0f16ae9c69de1956e5ec05e979bac38d2e36f7fe58408c0da173cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e395bf46c0f16ae9c69de1956e5ec05e979bac38d2e36f7fe58408c0da173cf4", kill_on_drop: false }`
[INFO] [stdout] e395bf46c0f16ae9c69de1956e5ec05e979bac38d2e36f7fe58408c0da173cf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0be666c91d93ce0217c4bcf02dff88f280e5f724dbbd0c73c83232834a02e886
[INFO] running `Command { std: "docker" "start" "-a" "0be666c91d93ce0217c4bcf02dff88f280e5f724dbbd0c73c83232834a02e886", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling zero v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "0be666c91d93ce0217c4bcf02dff88f280e5f724dbbd0c73c83232834a02e886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be666c91d93ce0217c4bcf02dff88f280e5f724dbbd0c73c83232834a02e886", kill_on_drop: false }`
[INFO] [stdout] 0be666c91d93ce0217c4bcf02dff88f280e5f724dbbd0c73c83232834a02e886
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb1052825e8e0ab12e9da50c141fc6d47a0cac0776c7c3edd4f008386af2615a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bb1052825e8e0ab12e9da50c141fc6d47a0cac0776c7c3edd4f008386af2615a", kill_on_drop: false }`
[INFO] [stderr]    Compiling zero v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "bb1052825e8e0ab12e9da50c141fc6d47a0cac0776c7c3edd4f008386af2615a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1052825e8e0ab12e9da50c141fc6d47a0cac0776c7c3edd4f008386af2615a", kill_on_drop: false }`
[INFO] [stdout] bb1052825e8e0ab12e9da50c141fc6d47a0cac0776c7c3edd4f008386af2615a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5ed578701e5b6b263165d49bb7366924bcfcd119fdfe12969b4e54190b029ac5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5ed578701e5b6b263165d49bb7366924bcfcd119fdfe12969b4e54190b029ac5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zero-5461c36ee60f92b4
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::test_good_strs_to_null ... ok
[INFO] [stdout] test test::test_read_array ... ok
[INFO] [stdout] test test::test_read ... ok
[INFO] [stdout] test test::test_good_strs ... ok
[INFO] [stdout] test test::test_array_zero_sized ... ok
[INFO] [stdout] test test::test_no_null_to_null ... ok
[INFO] [stdout] test test::test_no_null2 ... ok
[INFO] [stdout] test test::test_not_unicode ... ok
[INFO] [stderr]    Doc-tests zero
[INFO] [stdout] test test::test_too_small ... ok
[INFO] [stdout] test test::test_no_null ... ok
[INFO] [stdout] test test::test_too_small2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5ed578701e5b6b263165d49bb7366924bcfcd119fdfe12969b4e54190b029ac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ed578701e5b6b263165d49bb7366924bcfcd119fdfe12969b4e54190b029ac5", kill_on_drop: false }`
[INFO] [stdout] 5ed578701e5b6b263165d49bb7366924bcfcd119fdfe12969b4e54190b029ac5